Sonic Alert SBD375ssBrand NewIncludes One Year WarrantyThe Sonic Alert SBD375ss sonic boom dual alarm clock is ideal for deep sleepers, deaf or hard of hearing users, seniors or students. It comes with a 110 volt power supply that will work with 220 volt transformers.

It has an extra large 1.8" display which makes it easy to tell the time. It has loud, 113dB adjustable tone and volume. Its battery backup maintains the proper time in the event of a power outage. It also features snooze, automatic display dimmer and powerful 12V bed shaker.